Home / 166,077.20-249,115.80-55,269.20

Finding the Fourth Proportional to 166,077.20, 249,115.80 and 55,269.20

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Solution

The fourth proportional to 166,077.20, 249,115.80 and 55,269.20 is: 82,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,077.20 : 249,115.80 = 55,269.20 : x
  2. Step 2: Convert to fraction form
    166,077.20/249,115.80 = 55,269.20/x
  3. Step 3: Cross multiply
    166,077.20x = 249,115.80 × 55,269.20
  4. Step 4: Simplify right side
    166,077.20x = 13,768,430,973.36
  5. Step 5: Solve for x
    x = 13,768,430,973.36/166,077.20
  6. Step 6: Final answer
    x = 82,903.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.